The most important companies in weed

Keeping track of every startup and corporation that has its sights set on the marijuana industry is nearly impossible. But following these four companies will help you understand the big movements happening in the space. Each plays a different role—whether it’s wrangling investments for startups or delivering the finished product to your door—but all of them have an outsized impact.

Welcome to our field guide on the marijuana industry. Check out other parts of our deep dive here.